Protocol layers

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  • The Data-Link layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network. The Data-Link layer is layer 2 in the Open Systems Interconnect (OSI) model for a set of telecommunication protocols.The Data-Link layer ensures that an initial connection has been set up, divides output data into data frames, and handles the acknowledgements from a receiver that the data arrived successfully. It also ensures that incoming data has been received successfully by analyzing bit patterns at special places in the frames....

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  • James F. Kurose and Keith W. Ross Preface Link to the Addison-Wesley WWW site for this book Link to overheads for this book Online Forum Discussion About This Book - with Voice! 1. Computer Networks and the Internet 1. What is the Internet? 2. What is a Protocol? 3. The Network Edge 4. The Network Core s Interactive Programs for Tracing Routes in the Internet s Java Applet: Message Switching and Packet Switching 5. Access Networks and Physical Media 6. Delay and Loss in Packet-Switched Networks 7. Protocol Layers and Their Service Models 8. Internet Backbones, NAPs and ISPs 9....

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  • Parallel Processing & Distributed Systems: Lecture 12 provides about Communication, Communication Protocols, Layered Protocols, Client-Server TCP, Middleware Protocols, Client-Server Communication Model, Issues in Client-Server Communication, Addressing Issues.

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  • Bài giảng "Mạng máy tính nâng cao - Chapter 1: Introduction" cung cấp cho người học các kiến thức: Network edge, network core, delay, loss and throughput in packet-switched networks, protocol layers, service models,... Mời các bạn cùng tham khảo.

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  • Lectured "Computer networks 1 - Chapter 1: Introduction" has contents: Network edge, network core, delay, loss and throughput in packet- switched networks, protocol layers, service models,... and other contents.

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  • "Ebook Internetworking with TCP/IP (Vol 1: Principles, protocols, and architecture sixth edition)" present overview of underlying network technologies; internetworking concept and architectural model; protocol layering; internet addressing; mapping internet addresses to physical addresses; internet protocol: connectionless datagram delivery (IPV4, 119 IPV6); internet protocol forwarding ip datagrams; internet protocol: error and control messages; user datagram protocol

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  • Internet Protocol là một giao thức ở tầng mạng, hai chức năng cơ bản: chọn đường (routing): xác định đường đi của gói tin từ nguồn đến đích, Chuyển tiếp (forwarding): chuyển dữ liệu từ đầu vào tới đầu ra của bộ định tuyển (router)

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  • Objectives: Explain the role of redundancy in a converged network. Summarize how STP works to eliminate Layer 2 loops in a converged network. Explain how the STP algorithm uses three steps to converge on a loop-free topology. Implement rapid per VLAN spanning tree (rapid PVST+) in a LAN to prevent loops between redundant switches.

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  • TCP and UDP exist primarily to deliver upper-layer data across a network. Whether connection oriented or connectionless, fundamentally the process of delivering the data is the same

    pdf4p chutieuchuathieulam 23-07-2010 127 24   Download

  • Bài giảng Lập trình mạng nâng cao ICMP protocol - Nguyễn Vũ nhằm giới thiệu đến bạn đọc về giao thức ICMP (Internetwork Control Message Protocol), hoạt động ở layer 2 – Internetwork trong mô hình TCP/IP hoặc layer 3 – Network trong mô hình OSI. Mời các bạn tham khảo nội dung chi tiết.

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  • Wireless Sensor Networks hold the promise of delivering a smart communication paradigm which enables setting up an intelligent network capable of handling applications that evolve from user requirements. With the recent technological advances of wireless sensor network, it is becoming an integral part of our lives. However, due to the nature of wireless sensor networks, researchers face new challenges related to the design of algorithms and protocols.

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  • Transmission Control Protocol (TCP) TCP is a connection-oriented transport mechanism that resides at Layer 4 of the OSI model.

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  • .Connection Oriented Transport Protocol Mechanisms „ „ „ „ „ Logical connection Establishment Maintenance termination Reliable e.g. TCP .Reliable Sequencing

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  • Introduction Data link control layer – often abbreviated simply to data link layer – is concerned with the transfer of data over a serial data link The transmission mode may be either asynchronous or synchronous and based on either a character-oriented or a bit-oriented transmission control protocol The data link layer is fundamental to the operation of all data communication applications

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  • Modbus is an application layer messaging protocol, positioned at level 7 of the OSI model, which provides client/server communication between devices connected on different types of buses or networks. Refer to the lecture "Introduction To Modbus Protocol" content to better understand this problem.

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  • Bài giảng Mạng máy tính - Chương 3: Tầng mạng – Internet Layer. Chương này trình bày những nội dung cụ thể như: Giao thức tầng mạng – Internet Protocol, địa chỉ IP và khuôn dạng gói tin IP, giao thức thông báo điều khiển - ICMP.

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  • Part 1: Introduction Introduction Services and protocols The reference models The five layers reference model The TCP/IP reference model The OSI reference model Organisation of the book

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  • Upon completion you will be able to: Differentiate between a unicast, multicast, and broadcast message; know the many applications of multicasting; understand multicast link state routing and MOSPF; understand multicast link state routing and DVMRP; understand the Core-Based Tree Protocol; understand the Protocol Independent Multicast Protocols; understand the MBONE concept.

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  • Encryption and authentication algorithms are building blocks of secure network protocols Deploying cryptographic algorithms at different layers have different security effects Where should we put the security protocol in the network architecture?

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  • Secure Socket Layer Protocol (SSL) Designed by Netscape in 1994 To protect WWW applications and electronic transactions Transport layer security protocol (TLS) A revised version of SSLv3 Two major components: Record protocol, on top of transport-layer protocols Handshake protocol, change-cipher-spec protocol, and alert protocol; they reside between application-layer protocols and the record protocol

    ppt32p muathu_102 28-01-2013 57 2   Download



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